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Colour

#204D8F

  • #204D8F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#204D8F is a blue with RGB values 32, 77, 143 and HSL 216°, 63%, 34%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#204D8F#204D8F
HEX#204D8F
RGBrgb(32, 77, 143)
RGB (0–1)0.1255, 0.302, 0.5608
RGB percentages12.5%, 30.2%, 56.1%
HSLhsl(215.7, 63.4%, 34.3%)
HSV / HSBhsv(215.7, 77.6%, 56.1%)
CMYK77.6%, 46.2%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,117,007
CSS custom property--colour: #204D8F;

Brightness & contrast

Relative luminance0.07598WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.33:1
Contrast with white8.33:1WCAG normal text: AAA
Contrast with black2.52:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#DFB270

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2B5392no red cones; affects about 1% of men; ΔE 3.4 from the original
Deuteranopia#13498Eno green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#005D67no blue cones; rare, and affects men and women equally; ΔE 40.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.33:1WCAG large text: AAA
Contrast with black, large text2.52:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17Steel blue · ΔE 25.1Midnight blue · ΔE 29.6Cornflower blue · ΔE 30Royal blue · ΔE 33.1Slate blue · ΔE 33.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.02, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8F6220
Analogous#20858F, #2A208F
Triadic#8F204D, #4D8F20
Split complementary#8F2B20, #858F20
Tetradic#8F2085, #8F6220, #208F2B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#94B6E7
Lighter +30%#6A99DE
Lighter +20%#417DD4
Lighter +10%#2963B9
Darker −10%#173765
Darker −20%#0D203C
Darker −30%#040A12
Darker −40%#000000
More saturated +25%#0A49A5
Less saturated −25%#365179

Channel breakdown

R32
G77
B143
Red32 (12.5%)
Green77 (30.2%)
Blue143 (56.1%)
Hue215.68°
Saturation (HSL)63.43%
Lightness34.31%
Dominant channelBlue
Hex per channelR 20 · G 4D · B 8F

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Every value on this page was computed from “204d8f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.